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Home >> Nissan-Datsun >> 2023 >> Altima SL, AWD >> Repair and Diagnosis >> Steering >> Steering Control Systems >> Steering Control System (DTC/Circuit Diagnosis) >> DTC/Circuit Diagnosis >> EPS/DAST 3 (EPS Control Unit) >> DTC U0405: ADAS Can Cir 1 >> DTC Description
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DTC Description

DTC DETECTION LOGIC 

DTC No. CONSULT screen terms (Trouble diagnosis content) DTC detection condition
U0405 ADAS CAN CIR 1 (ADAS control unit CAN circuit 1) Diagnosis condition When ignition switch is ON
Signal (terminal) -
Threshold If EPS control unit detects an error signal that is received from ADAS control unit via CAN communication
Diagnosis delay time 1 second or less

POSSIBLE CAUSE 

FAIL-SAFE 

ProPILOT operation canceled (if equipped)

DTC CONFIRMATION PROCEDURE 

  1. CHECK DTC PRIORITY 
    1. If DTC "U0405" is displayed with DTC "U1000", first diagnose the DTC "U1000".

    Is applicable DTC detected?

    YES>>

    Perform diagnosis of applicable DTC. Refer to DTC Description .

    NO>>

    GO TO 2.

  2. PERFORM DTC CONFIRMATION PROCEDURE 
    1. SYMBOL CONSULT
      1. Ignition switch ON.
      2. Select "Self Diagnostic Result" mode of "EPS/DAST 3".
      3. Check if "U0405" is detected as the current malfunction in "Self Diagnostic Result" mode of "EPS/DAST 3".

    Is "U0405" detected as the current malfunction?

    YES>>

    Refer to DTC Diagnosis Procedure .

    NO>>

    To check malfunction symptom before repair, refer to Inspection .

    NO>>

    Confirmation after repair: Inspection End.